> >I guess the description was not clear, you understood the opposite.
> >
> >The problem is when the target for total guest pages (not balloon target
> >size) is set to be larger than the amount of total pages the guest has
> >booted with. What happens then is that the driver tries to release pages
> >from the balloon, without checking if there are any:
> >  
> 
> target in the config space is target balloon size, not target for total 
> guest pages.  So how is it ever possible for this condition to occur?

Set the target in QEMU to be larger than guest ram size. The config
space variable will be set negatively, so guest attempts to release
pages from the balloon.


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